WordNet sense 1 (to compress with violence, out of natural shape or condition):

crush, squash, squeeze, squelch

WordNet sense 2 (talk or behave amorously, without serious intentions):

butterfly, coquette, dally, flirt, philander, romance, coquet, chat up

WordNet sense 3 (reduce to small pieces or particles by pounding or abrading):

bray, comminute, crunch, grind